#131F5D#131F5D
#131F5D is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.111 H 269.1°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).
Color values
| HEX | #131F5D |
|---|---|
| RGB | rgb(19, 31, 93) |
| HSL | hsl(230, 66%, 22%) |
| HSV | hsv(230, 80%, 36%) |
| CMYK | cmyk(79.6%, 66.7%, 0%, 63.5%) |
| CIE-LAB | lab(15.00, 19.58, -38.50) |
| CIE-LCH | lch(15.00, 43.19, 296.95°) |
| OKLab | oklab(27.49% -0.0017 -0.1112) |
| OKLCH | oklch(27.49% 0.111 269.1) |
| XYZ | xyz(2.7336, 1.9084, 10.5781) |
| Luminance | 0.0191 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 4.83
Navy Blue (survey)
#001146
ΔE00 4.90
Navy (survey)
#01153E
ΔE00 6.00
Marine
#042E60
ΔE00 6.61
Navy Blue
#1B2A4A
ΔE00 7.05
Dark Indigo
#1F0954
ΔE00 7.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#131F5D #5D5113
analogous
#13445D #131F5D #2C135D
triadic
#131F5D #5D131F #1F5D13
tetradic
#131F5D #5D1344 #5D5113 #135D2C
square
#131F5D #5D1344 #5D5113 #135D2C
split-complementary
#131F5D #5D2C13 #445D13
monochromatic
#050819 #090E2A #131F5D #1D3090 #2841C3
Accessibility & contrast
On white
15.20
#131F5D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.38
#131F5D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #131F5D
15.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##131F5D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##131F5D | 1.00 | 15.20 | 1.38 | 15.20 |
| #FFFFFF | 15.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00295F
Deuteranopia (green-blind)
#00225C
Tritanopia (blue-blind)
#002F3A
Achromatopsia (no color)
#262626
Design tokens & code
CSS
--color: #131f5d; /* rgb */ color: rgb(19, 31, 93); /* oklch */ color: oklch(27.5% 0.111 269.1);
Tailwind
colors: {
custom: {
50: '#5e5a8c',
500: '#131f5d',
950: '#000000',
},
}SCSS
$custom: #131f5d; $custom-light: #5e5a8c; $custom-dark: #000000;
JSON
{
"hex": "#131f5d",
"rgb": {
"r": 19,
"g": 31,
"b": 93
},
"hsl": {
"h": 230.27,
"s": 66.071,
"l": 21.961
},
"oklch": {
"l": 0.27488,
"c": 0.11125,
"h": 269.1
},
"luminance": 0.01909
}Semantic roles & 50–950 ramp
primary
#131F5D
secondary
#958637
accent
#CD3FE9
background
#F5F5F8
surface
#EAE9F0
border
#C6C5CB
text
#05030C
muted
#79787D